Yoga enthusiasts say the routine practice of making funny faces can take years off your appearance.

For people who deem needles too scary and surgery too drastic, the latest anti-aging fad may appeal: facial yoga. Based on the premise that facial muscles, like any other muscle, need exercise to stay toned, enthusiasts of facial yoga say the regular practice of making kissy faces or wagging one's tongue can reduce worry lines and wrinkles  and even create a little peace within.

In New York City, Annelise Hagen, a devoted yogi, former actress and author of The Yoga Face: Eliminate Wrinkles with the Ultimate Natural Facelift, runs a weekly facial yoga class. Hagen says she...